Reuben Seroney Kosgei, is a middle and long distance athlete mostly famous for 3000 m steeplechase in which he became the youngest ever winner of an Olympic gold medal in the event when at the age of 21 he ran to victory in Sydney 2000 with a winning time of 8 minutes 21.43 seconds.
Lee Joseph Troop is an Olympic marathon runner from Geelong, Victoria, Australia. He started out as a long-distance track runner and he represented Australia in the 5000 m at the 1998 Commonwealth Games and attended his first World Athletics Championships the following year. He broke the Australian record in the 5000 m in 1999 and changed to the marathon distance in 2000.
Jaouad Gharib is a Moroccan long-distance runner who competes in the marathon. Winner of the 2003 World Championships and 2005 World Championships over the distance, he is also notable because he only began running seriously at the age of twenty-two. His 2005 retention made him the second successive world championship marathon champion, after Abel Antón. He was the silver medallist in the marathon at the 2008 Summer Olympics.
Paul Malakwen Kosgei is a Kenyan long-distance and marathon runner. He first came to prominence in athletics by taking the World Junior Record of 3000m steeple in 1997, and later with consecutive medals at the IAAF World Cross Country Championships from 1998 to 2000.
Elijah Kiptarbei Lagat was the winner of the 104th running of the Boston Marathon held in 2000. He won in the closest finish in the race's history when he edged out Gezahegne Abera of Ethiopia and fellow Kenyan and previous year's champion, Moses Tanui. Abera and Lagat were both clocked at 2 hours 9 minutes and 47 seconds while Tanui finished three seconds back. Lagat's win enabled the Kenyans to capture the individual men's Boston Marathon title for the 10th straight year. This is a record that still stands.
Alice Jemeli Timbilil is a Kenyan professional long-distance runner. She is a two-time Olympian, having competed over 10,000 metres at both the 2000 and 2004 Summer Olympics.
Salina Jebet Kosgei is a long distance runner from Kenya. She is a Commonwealth Games gold medalist, has competed at the Olympics and has won various marathons, including the 2009 Boston Marathon.
Peninah Arusei Jerop is a Kenyan professional long-distance runner who specialises in road running competitions, especially the half marathon. She has represented Kenya at the Olympics, having competed in the 10,000 metres race at the 2008 Beijing Olympics. Arusei has won races on the European road circuit, including the Dam tot Damloop, Berlin Half Marathon and Lisbon Half Marathon.
Masakazu Fujiwara, in Japanese 藤原正和, is Japanese long-distance runner, who specializes in the marathon. He has a personal best of 2:08:12 hours for the event. He was the 2013 Japanese champion in the marathon and won the 2010 Tokyo Marathon. He trains at Honda Sports team.
Samuel Kiplimo Kosgei was a Kenyan-born American long-distance runner who specializes in road running competitions.
Anne Jepkemboi Kosgei is a Kenyan long-distance runner who specialises in road running, including the marathon. She has won her first marathon races in San Sebastián and Trieste, and went on to win both the Belgrade Marathon and Venice Marathon in 2009. She set her personal best of 2:27:46 at the latter competition.
Irene Jerotich Kosgei is a Kenyan long-distance runner who specialises in the marathon. Her first victory over the distance came at the Nairobi Marathon in 2006 and she won the race again in 2010 with a course record and personal best time of 2:28:47. She became the first Kenyan woman to win the Commonwealth marathon title at the 2010 Commonwealth Games in New Delhi.
Jonathan Kosgei Kipkorir is a Kenyan long-distance runner who competes in road running competitions, including marathons. He is a two-time winner of the Venice Marathon, with consecutive wins in 2006 and 2007, and won the 2010 Beppu-Ōita Marathon. He also competes over the half marathon and has wins from the Rome-Ostia Half Marathon and Porto Half Marathon. His personal best in the marathon is 2:07:31 while he has run 1:00:19 for the half marathon distance.
Stanley Kipleting Biwott is a Kenyan long-distance runner who competes in half marathon and marathon races. He won the 2012 Paris Marathon in a course record time of 2:05:11 hours and the 2015 New York City Marathon. His half marathon best is 58:56 minutes.
Kosgei, also written Kosgey and Koskei, is a surname of Kenyan origin that may refer to:
The world record in the half marathon has been officially recognized since 1 January 2004 by the International Association of Athletics Federations (IAAF), the international governing body for the sport of athletics. A total of five men's world records and six women's world records have been officially ratified since that date. The IAAF officially recognized the fastest times before that date as a "world best" from 1 January 2003 onwards. Before that date, the IAAF did not recognize any road running world records, though the concept of a world record was recognized by other organizations, such as the Association of Road Racing Statisticians (ARRS).
Brigid Jepchirchir Kosgei is a Kenyan long-distance runner who specialises in the marathon. She won the 2018 and 2019 Chicago Marathons, the 2019 and 2020 London Marathons and the 2021 Tokyo Marathon. Kosgei was the marathon world record holder for women running in a mixed-sex race, with a time of 2:14:04 achieved on 13 October 2019 at the Chicago Marathon. She won the silver medal in the marathon event at the 2020 Tokyo Olympics.
The 2019 Chicago Marathon was the 42nd annual running of the Chicago Marathon held in Chicago, Illinois, United States on October 13, 2019. The men's race was won by Kenyan Lawrence Cherono in 2:05:45 while the women's was won by Kenyan Brigid Kosgei in 2:14:04, a world record by 81 seconds. The men's and women's wheelchair races were won by Daniel Romanchuk and Manuela Schär in 1:30:26 and 1:41:08, respectively. More than 45,000 runners completed the race.
The 2021 Tokyo Marathon was the fifteenth edition of the annual marathon race in Tokyo. The competition was held on Sunday 6 March 2022, having been postponed twice due to the COVID-19 pandemic. The elite events were won by Kenyans Eliud Kipchoge and Brigid Kosgei respectively, whilst the wheelchair races were won by Swiss athlete Marcel Hug and Japanese competitor Tsubasa Kina. Around 20,000 people competed in the mass participation event.
Erick Kimaiyo Kimase is a Kenyan former marathon runner who came second at the 1997 Berlin Marathon, and won the Honolulu and Baltimore Marathons on multiple occasions. Kimaiyo now works as a marathon coach, and trains current women's world record holder Brigid Kosgei.
Kenya 
